1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdio.h> 18 19 int test_level_four(int one, int two, int three, int four, 20 void (*callback_func)(void*), void* data) { 21 if (callback_func != NULL) { 22 callback_func(data); 23 } else { 24 while (1) { 25 } 26 } 27 return one + two + three + four; 28 } 29 30 int test_level_three(int one, int two, int three, int four, 31 void (*callback_func)(void*), void* data) { 32 return test_level_four(one+3, two+6, three+9, four+12, callback_func, data) + 3; 33 } 34 35 int test_level_two(int one, int two, int three, int four, 36 void (*callback_func)(void*), void* data) { 37 return test_level_three(one+2, two+4, three+6, four+8, callback_func, data) + 2; 38 } 39 40 int test_level_one(int one, int two, int three, int four, 41 void (*callback_func)(void*), void* data) { 42 return test_level_two(one+1, two+2, three+3, four+4, callback_func, data) + 1; 43 } 44 45 int test_recursive_call(int level, void (*callback_func)(void*), void* data) { 46 if (level > 0) { 47 return test_recursive_call(level - 1, callback_func, data) + level; 48 } else if (callback_func != NULL) { 49 callback_func(data); 50 } else { 51 while (1) { 52 } 53 } 54 return 0; 55 } 56